Question

Lesson -1
Extra Q's/ans:

Q1) Give some examples of human environment.

Q2) when is the world environment day celebrated?

Q3)write about the origin and meaning of the word environment.

Q4) Give three examples showing how human beings have modified their environment.

Q5) what are the adverse effects taking place on environment due to the modifications done by human beings?​

Answer 1

Explanation:

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Answer 2

1)individual
family
educational institutions

2) 5 June

3)origin from french word environer/environner
meaning if environment is our surroundings

4)changing grounds into building
cutting trees
converting parks intobplots for building houses

5)increase of environmental pollution
amount of fresh air is decreasing
ozone layer is getting destroyed